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Cheap flights from Sydney to San Diego from $758

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 May 2026.

Mon 20/709:30
SYD
-
SAN
2 stops22h 25m
United Airlines
Sun 26/719:41
SAN
-
SYD
2 stops42h 19m
United Airlines
Deal found 17/5$1,340
Thu 28/510:20
SYD
-
SAN
1 stop16h 39m
United Airlines
Wed 10/611:01
SAN
-
SYD
2 stops26h 59m
United Airlines
Deal found 20/5$1,341
Wed 3/609:30
SYD
-
SAN
2 stops22h 25m
United Airlines
Wed 10/611:55
SAN
-
SYD
2 stops26h 05m
United Airlines
Deal found 19/5$1,342
Mon 25/509:30
SYD
-
SAN
2 stops22h 25m
United Airlines
Sun 7/618:27
SAN
-
SYD
1 stop19h 28m
United Airlines
Deal found 16/5$1,349
Mon 8/610:20
SYD
-
SAN
1 stop25h 19m
Air New Zealand
Mon 22/619:41
SAN
-
SYD
1 stop18h 14m
Air New Zealand
Deal found 20/5$1,352
Wed 3/610:20
SYD
-
SAN
1 stop25h 19m
Lufthansa
Wed 10/619:41
SAN
-
SYD
1 stop18h 14m
Lufthansa
Deal found 18/5$1,361
Mon 8/610:20
SYD
-
SAN
1 stop25h 19m
Lufthansa
Sun 21/619:41
SAN
-
SYD
1 stop18h 14m
Lufthansa
Deal found 16/5$1,364
Mon 8/610:20
SYD
-
SAN
1 stop25h 19m
Air New Zealand
Sun 21/619:41
SAN
-
SYD
1 stop18h 14m
Air New Zealand
Deal found 16/5$1,368
Mon 8/609:30
SYD
-
SAN
2 stops23h 37m
United Airlines
Mon 22/616:09
SAN
-
SYD
2 stops21h 51m
United Airlines
Deal found 17/5$1,375
Mon 25/509:10
SYD
-
SAN
2 stops27h 57m
British Airways
Sun 7/609:47
SAN
-
SYD
2 stops28h 18m
British Airways
Deal found 15/5$1,378

Find flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 May 2026.

Round-trip from

$1,340

One-way from

$758

Popular in

December

Cheapest in

September

Average price

$1,337
United Airlines
  • United Airlines
  • 20/7-26/7
  • 4 total stops
  • 64h 44m total
  • Sydney to San Diego
Search Deals
10/10
  • 10/10
  • 2 total stops
  • 23h 22m total
  • Sydney to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 May 2026.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 20/7

09:30-14:55

2 stops22h 25m

San Diego

Sun 26/7

19:41-07:00

2 stops42h 19m

$1,340

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 3/6

09:30-10:08

1 stop17h 38m

San Diego

Wed 10/6

13:39-06:55

1 stop24h 16m

$1,342

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 8/6

09:30-16:07

2 stops23h 37m

San Diego

Mon 22/6

20:32-07:00

1 stop17h 28m

$1,358

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 8/6

10:20-09:59

1 stop16h 39m

San Diego

Sun 21/6

13:39-07:00

2 stops24h 21m

$1,358
Fastest return journey

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 8/6

09:30-14:08

2 stops21h 38m

San Diego

Sun 21/6

20:32-07:00

1 stop17h 28m

$1,375

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/11

12:10-13:44

1 stop20h 34m

San Diego

Sat 28/11

19:41-09:15

1 stop18h 34m

$1,415

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 6/10

10:15-15:20

1 stop23h 05m

San Diego

Tue 20/10

15:59-07:50

1 stop21h 51m

$1,442
Cheapest one-way

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 10/10

14:15-19:37

2 stops23h 22m

$758

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 1/7

10:20-00:31

1 stop31h 11m

$825

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 11/10

14:15-12:21

3 stops40h 06m

$951

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,178). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,808). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 20 May 2026.
Read reviews from past customers who have flown with Air New Zealand,Alaska Airlines, andVirgin Australia from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
647 reviews
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Alaska Airlines
7.9
Good
12,387 reviews
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Virgin Australia
7.6
Good
454 reviews
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,742 reviews
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,066 reviews
Air New Zealand
8.0
Very Good
647 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to San Diego?

    United Airlines can get you from Sydney to San Diego in just under 22h 25m. Your travel time can differ by up to . The distance from Sydney to San Diego is about 12086 km.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Air Canada, at $1,035, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and Air New Zealand. Users have found that Air Canada is 28% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,178). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,808). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Sydney to San Diego

Discover the top 5 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,035Average$1,420FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,043Average$1,373FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air New ZealandCheapest$1,094Average$1,293FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,160Average$1,469FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,445Average$1,944FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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